Airline GVC-9027A - Channel 2 preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Airline GVC-9027A is a two-channel Montgomery Ward reverb combo with two 12-inch speakers, rated at 70 watts and built for guitar and accordion. Each channel has Treble and Regular inputs, a 12AX7 input stage and its own Tone and Volume. Channel 2 carries the effects: a 6DR7/6EU7 spring reverb and a 12AX7 tremolo, both with footswitches. A 12AX7 mixer feeds a separate power pack with four 6L6s and two 5U4 rectifiers, plus a standby switch.

• Made in: USA
• Wattage: 70W
• Channels: 2
• Preamp tubes: 4× 12AX7, 1× 6EU7, 1× 6DR7
• Power tubes: 4× 6L6

Tags: american, vintage.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.